UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'BUd2LXiMFmvRyk2ooQDpEVmTDWpSXanUmP85DsaPWts=' 
WHERE 
  key_id = 'cd939419781e4007593618a7a5b49db248ff51a076eca4febc87190eb695b815' 
  AND (
    token = 'BUd2LXiMFmvRyk2ooQDpEVmTDWpSXanUmP85DsaPWts=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )